From adade27df2a89887ff44ef54e59996effafb6419 Mon Sep 17 00:00:00 2001 From: Anthony Ramine Date: Tue, 4 Mar 2014 02:23:47 +0100 Subject: Handle nil as a wait_timeout argument in beam_utils:live_opt/4 Reported-by: Ulf Norell --- lib/compiler/src/beam_utils.erl | 2 ++ 1 file changed, 2 insertions(+) (limited to 'lib/compiler/src/beam_utils.erl') diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl index 27034aecce..8ca368c167 100644 --- a/lib/compiler/src/beam_utils.erl +++ b/lib/compiler/src/beam_utils.erl @@ -748,6 +748,8 @@ live_opt([{try_end,_}=I|Is], Regs, D, Acc) -> live_opt(Is, Regs, D, [I|Acc]); live_opt([{loop_rec_end,_}=I|Is], Regs, D, Acc) -> live_opt(Is, Regs, D, [I|Acc]); +live_opt([{wait_timeout,_,nil}=I|Is], Regs, D, Acc) -> + live_opt(Is, Regs, D, [I|Acc]); live_opt([{wait_timeout,_,{Tag,_}}=I|Is], Regs, D, Acc) when Tag =/= x -> live_opt(Is, Regs, D, [I|Acc]); live_opt([{line,_}=I|Is], Regs, D, Acc) -> -- cgit v1.2.3